3984911 has 16 divisors (see below), whose sum is σ = 4852224. Its totient is φ = 3198624.

The previous prime is 3984859. The next prime is 3984917. The reversal of 3984911 is 1194893.

It is a cyclic number.

It is not a de Polignac number, because 3984911 - 2¹⁸ = 3722767 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3984917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8300 + ... + 8766.

It is an arithmetic number, because the mean of its divisors is an integer number (303264).

Almost surely, 2^3984911 is an apocalyptic number.

3984911 is a deficient number, since it is larger than the sum of its proper divisors (867313).

3984911 is a wasteful number, since it uses less digits than its factorization.

3984911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550.

The product of its digits is 7776, while the sum is 35.

The square root of 3984911 is about 1996.2241858068. The cubic root of 3984911 is about 158.5402512321.

The spelling of 3984911 in words is "three million, nine hundred eighty-four thousand, nine hundred eleven".